Forces and Their Effects Quiz

Which force is responsible for keeping a ball on the ground?

• Gravity force

• Electric force

• Magnetic force

• Buoyant force

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What is a non-contact force?

• A force that occurs only when objects are touching

• A force that acts at a distance without touching

• A force that only happens in water

• A force that only happens in air

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Which of the following is NOT a type of force shown in the diagram?

• Magnetic force

• Gravitational force

• Electrical force

• Tension force

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Give an example from your daily life where you experience frictional force.

• Picking up a magnet

• Sliding a book across a table

• Watching an apple fall from a tree

• Pulling a rope tight

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What is the smallest unit of matter, made up of protons, neutrons, and electrons?

• Molecule

• Atom

• Element

• Compound

Why is it important to know about atoms and elements in chemistry?

• Because they help us understand the weather

• Because they are the basic building blocks of all matter

• Because they are only found in living things

• Because they are used to make electricity

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What is a compound?

• A substance made of two or more different elements chemically bonded together.

• A substance made of only one element.

• A mixture of two or more substances not chemically combined.

• A liquid that can dissolve other substances.

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Which of the following best describes a mixture?

• Two or more substances that are not chemically combined.

• A single pure element.

• Two or more elements chemically bonded together.

• A gas that cannot be separated.

Which of the following is an example of a compound?

• Common Salt (NaCl)

• Jellies

• Air

• Sand and water

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Which of the following is an example of a mixture?

• Jellies

• Water (H2O)

• Carbon dioxide (CO2)

• Table salt (NaCl)